Home / 879,925.47-1,214,297.15-477,517.47

Finding the Fourth Proportional to 879,925.47, 1,214,297.15 and 477,517.47

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Solution

The fourth proportional to 879,925.47, 1,214,297.15 and 477,517.47 is: 658,974.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,925.47 : 1,214,297.15 = 477,517.47 : x
  2. Step 2: Convert to fraction form
    879,925.47/1,214,297.15 = 477,517.47/x
  3. Step 3: Cross multiply
    879,925.47x = 1,214,297.15 × 477,517.47
  4. Step 4: Simplify right side
    879,925.47x = 579,848,102,896.21
  5. Step 5: Solve for x
    x = 579,848,102,896.21/879,925.47
  6. Step 6: Final answer
    x = 658,974.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.